1,1,1-Trichloroethane
Fort Sam Houston
1,1,1-Trichloroethane is a solvent and a degreasing agent used for manufacturing metal products and as ingredient in cleaners and aerosols. Exposure to 1,1,1-trichloroethane can harm the nervous system, liver and circulatory system.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | ND | 1 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 6 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 3 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 200 ppb
The legal limit for 1,1,1-trichloroethane, established in 1987, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2015-03-23 | AC85623 | ND |
2016-02-25 | AD25793 | ND |
2016-09-28 | AD51718 | ND |
2016-12-15 | AD62394 | ND |
2017-01-30 | AD67573 | ND |
2017-01-30 | AD67575 | ND |
2017-04-24 | AD80717 | ND |
2017-04-24 | AD80715 | ND |
2017-07-07 | AD88708 | ND |
2017-10-10 | AE00129 | ND |
2018-01-18 | AE09245 | ND |
2018-04-20 | AE23481 | ND |
2018-04-20 | AE23471 | ND |
2019-01-24 | AE51287 | ND |
2019-01-24 | AE51285 | ND |
2019-01-24 | AE51269 | ND |